<template>
  <div class="icon-dialog">
    <el-dialog v-bind="$attrs" v-on="$listeners" @open="onOpen" @close="onClose" width="980px"
      :modal-append-to-body="false">
      <div slot="title">
        选择图标
        <el-input size="mini" :style="{width: '260px'}" v-model="key" placeholder="请输入图标名称"
          prefix-icon='el-icon-search' clearable></el-input>
      </div>
      <ul class="icon-ul">
        <li :class="active===icon?'active-item':''" v-for="icon in iconList" :key="icon" @click="onSelect(icon)">
          <i :class="icon"></i>
          <div>{{icon}}</div>
        </li>
      </ul>
    </el-dialog>
  </div>
</template>
<script>
import iconList from "@/utils/icon.json"
const originList = iconList.map(name => "el-icon-" + name)

export default {
  inheritAttrs: false,
  props: ['current'],
  data() {
    return {
      iconList: originList,
      active: null,
      key: ''
    }
  },
  watch: {
    key(val) {
      if(val) {
        this.iconList = originList.filter(name => name.indexOf(val) > -1)
      } else {
        this.iconList = originList
      }
    }
  },
  methods: {
    onOpen() {
      this.active = this.current
      this.key = ''
    },
    onClose() {},
    onSelect(icon) {
      this.active = icon
      this.$emit("select", icon)
      this.$emit("update:visible", false)
    }
  }
}
</script>
<style lang="scss" scoped>
.icon-ul {
  margin: 0;
  padding: 0;
  font-size: 0;
  li {
    list-style-type: none;
    text-align: center;
    font-size: 14px;
    display: inline-block;
    width: 16.66%;
    box-sizing: border-box;
    height: 108px;
    padding: 15px 6px 6px 6px;
    cursor: pointer;
    overflow: hidden;
    &:hover {
      background: #f2f2f2;
    }
    &.active-item{
      background: #e1f3fb;
      color: #7a6df0
    }
    > i {
      font-size: 30px;
      line-height: 50px;
    }
  }
}
.icon-dialog {
  ::v-deep .el-dialog {
    border-radius: 8px;
    margin-bottom: 0;
    margin-top: 4vh !important;
    display: flex;
    flex-direction: column;
    max-height: 92vh;
    overflow: hidden;
    box-sizing: border-box;
    .el-dialog__header {
      padding-top: 14px;
    }
    .el-dialog__body {
      margin: 0 20px 20px 20px;
      padding: 0;
      overflow: auto;
    }
  }
}
</style>
